Q) Evaluate : 5 tan 60° / (sin2 60° + cos2 60°) tan 30°

Ans: 

We know that: tan 60⁰ = √ 3, sin 60 ⁰ = , cos 60⁰ = ; tan 30⁰ = ;

By submitting these values in the given expression, we get:

=

=  = 5 √3 x √3

= 5 x 3 = 15

Hence the value of the given function is 15.

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